#423997#423997

#423997 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.148 H 282.0°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#423997
RGB	rgb(66, 57, 151)
HSL	hsl(246, 45%, 41%)
HSV	hsv(246, 62%, 59%)
CMYK	cmyk(56.3%, 62.3%, 0%, 40.8%)
CIE-LAB	lab(30.20, 31.21, -50.49)
CIE-LCH	lch(30.20, 59.35, 301.72°)
OKLab	oklab(41.12% 0.0309 -0.1449)
OKLCH	oklch(41.12% 0.148 282)
XYZ	xyz(9.2941, 6.3183, 30.0020)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423997 #8E9739

analogous

#395F97 #423997 #713997

triadic

#423997 #974239 #399742

tetradic

#423997 #97395F #8E9739 #399771

square

#423997 #97395F #8E9739 #399771

split-complementary

#423997 #977139 #5F9739

monochromatic

#1B173E #2F286B #423997 #5B50BD #847DCE

Accessibility & contrast

On white

9.28

#423997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#423997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423997

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423997	#FFFFFF	#000000	##FFFFFF
##423997	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#195062

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #423997;
/* rgb */ color: rgb(66, 57, 151);
/* oklch */ color: oklch(41.1% 0.148 282.0);

Tailwind

colors: {
  custom: {
    50: '#7f70b6',
    500: '#423997',
    950: '#000000',
  },
}

SCSS

$custom: #423997;
$custom-light: #7f70b6;
$custom-dark: #000000;

JSON

{
  "hex": "#423997",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 151
  },
  "hsl": {
    "h": 245.745,
    "s": 45.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41123,
    "c": 0.14815,
    "h": 282
  },
  "luminance": 0.06319
}

Semantic roles & 50–950 ramp

primary

#423997

secondary

#B1B775

accent

#D553C8

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #423997

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →